Features: - Carbamide peroxide Formula. - Lower sensitivity. - Unbeatable daytime bleaching, 30 minutes, twice daily. - University study proves gel stays active for 8-10 hours during overnight bleaching. - Use with or without reservoirs. - Fluoride & patented micro potassium nitrate for sensitivity. - 20% water helps prevent dehydration and shade relapse. - Sticky, viscous formula stays in tray. - 1 pack of 2 Syringes/ 1.2 ml per syringe. - Home bleaching.